diff --git a/runtime/src/bank.rs b/runtime/src/bank.rs
index 020091140a..6eb01b609e 100644
--- a/runtime/src/bank.rs
+++ b/runtime/src/bank.rs
@@ -2025,7 +2025,7 @@ mod tests {
         assert_eq!(bank1.is_delta.load(Ordering::Relaxed), false);
         assert_eq!(bank1.hash_internal_state(), bank.hash());
         // ticks don't make a bank into a delta
-        bank.register_tick(&Hash::default());
+        bank1.register_tick(&Hash::default());
         assert_eq!(bank1.is_delta.load(Ordering::Relaxed), false);
         assert_eq!(bank1.hash_internal_state(), bank.hash());
     }